Flaring Work - LG ABNQ18GM1T0 Installation Manual

INSTALLATION OF INDOOR
12
CAUTION
!
Precautions when laying power wiring
Use round pressure terminals for
connections to the power terminal block.
Round pressure terminal
When none are available, follow the
instructions below.
• Do not connect wiring of different
thicknesses to the power terminal
block. (Slack in the power wiring may
cause abnormal heat.)
• When connecting wiring which is the
same thickness, do as shown in the
figure below.
• For wiring, use the designated power
wire and connect firmly, then secure to
prevent outside pressure being exerted
on the terminal block.
• Use an appropriate screwdriver for
tightening the terinal screws. A
screwdriver with a small head will strip
the head and make proper tighterning
impossible.
• Over-tightening the terminal screws
may break them.

Flaring Work

Main cause for gas leakage is due to defect of
flaring work. Carry out correct flaring work in
the following procedure.
Power wiring
1
2
3
4
1. Completely remove all burrs from the cut
2. While removing burrs put the end of the
Cut the pipes and the cable
Use the piping kit accessory or the pipes
purchased locally.
Measure the distance between the indoor
and the outdoor unit.
Cut the pipes a little longer than measured
distance.
Cut the cable 1.5m longer than the pipe
length.
Copper
90°
pipe
Burrs removal
cross section of pipe/tube.
copper tube/pipe in a downward direction
while removing burrs location is also
changed in order to avoid dropping burrs
into the tubing.
CAUTION
!
Copper in contact with refrigerants shall
be oxygen-free or de-oxidized, for
example Cu-DHP as specified in EN
12735-1 and EN 12735-2
Slanted Uneven Rough